prova cosi:
codice:<form action="<?php $_SERVER['PHP_SELF']; ?>" method="post" data-ajax="false" class="ui-body ui-body-a ui-corner-all" onsubmit="return valida(this);">
prova cosi:
codice:<form action="<?php $_SERVER['PHP_SELF']; ?>" method="post" data-ajax="false" class="ui-body ui-body-a ui-corner-all" onsubmit="return valida(this);">